Line data    Source code

       1             : /**
       2             :  * \file MuteSoloBufferFilter.h
       3             :  */
       4             : 
       5             : #ifndef ATK_TOOLS_MUTESOLOBUFFERFILTER_H
       6             : #define ATK_TOOLS_MUTESOLOBUFFERFILTER_H
       7             : 
       8             : #include <ATK/Core/TypedBaseFilter.h>
       9             : #include <ATK/Tools/config.h>
      10             : 
      11             : #include <boost/dynamic_bitset.hpp>
      12             : 
      13             : namespace ATK
      14             : {
      15             :   /// Buffers input signals
      16             :   /**
      17             :    * Class that buffers input signal and allows mute/solo operations
      18             :    */
      19             :   template<typename DataType_>
      20             :   class ATK_TOOLS_EXPORT MuteSoloBufferFilter final : public TypedBaseFilter<DataType_>
      21             :   {
      22             :   protected:
      23             :     /// Simplify parent calls
      24             :     using Parent = TypedBaseFilter<DataType_>;
      25             :     using typename Parent::DataType;
      26             :     using Parent::converted_inputs;
      27             :     using Parent::outputs;
      28             :     using Parent::nb_input_ports;
      29             :     using Parent::nb_output_ports;
      30             : 
      31             :   public:
      32             :     /*!
      33             :     * @brief Constructor
      34             :     * @param nb_channels is the number of input and output channels
      35             :     */
      36             :     explicit MuteSoloBufferFilter(gsl::index nb_channels = 1);
      37             :     /// Destructor
      38          12 :     ~MuteSoloBufferFilter() override = default;
      39             :     
      40             :     /// Mutes/unmutes a given channel (outputs 0)
      41             :     void set_mute(gsl::index channel, bool mute);
      42             :     /// Returns the mute status of a channel
      43             :     bool get_mute(gsl::index channel) const;
      44             :     /// Soloes/unsoloes a given channel (outputs 0 on the other non soloed channels)
      45             :     void set_solo(gsl::index channel, bool solo);
      46             :     /// Returns the solo status of a channel
      47             :     bool get_solo(gsl::index channel) const;
      48             :     
      49             :     void set_nb_input_ports(gsl::index nb_ports) final;
      50             :     void set_nb_output_ports(gsl::index nb_ports) final;
      51             : 
      52             :   protected:
      53             :     void process_impl(gsl::index size) const final;
      54             :     
      55             :   private:
      56             :     boost::dynamic_bitset<> mute_statuses;
      57             :     boost::dynamic_bitset<> solo_statuses;
      58             :     bool any_solo = false;
      59             :   };
      60             : }
      61             : 
      62             : #endif